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Email news: what is changing for your mail system

The rules of business email change regularly. Major mailbox providers tighten their authentication requirements, Microsoft retires or changes services your applications may depend on, Google adds artificial intelligence to Gmail, and the standards themselves keep being revised.

We do not try to relay every announcement. Each article puts a change in context and answers a practical question: who is affected, what should be checked, and when to act? You will find, for example, the end of EWS in Exchange Online, the retirement of Azure Communication Services Email, the TERRL limit, Outlook.com DMARC rejections and the arrival of DMARCbis.

These articles are dated and based on the information published when they were written. Providers can adjust their timelines, so check their official documentation before any important decision. When a change affects your mail flows, the most useful starting point is an inventory of everything that actually sends email in your organisation.